package com.example.dbmysql.service;


import com.example.dbmysql.pojo.Channel;

import java.util.List;

public interface channelService {
    void add(Channel channel);

    Channel selectByRoomid(String channelId);

    List<Channel> selectAll();

    void update(Channel channel);

    void delById(Integer id);

    Channel getById(Integer id);
}
